baa9ff836159eed17f113e42f5f994bc7202f0d0
2 * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * as published by the Free Software Foundation; only version 2
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include <lttng/lttng.h>
32 int main(int argc
, char **argv
)
34 struct lttng_handle
*handle
= NULL
;
35 struct lttng_domain dom
;
36 struct lttng_channel channel
;
37 struct lttng_event ev1
, ev2
, ev3
;
41 char *session_name
= "ust_event_basic";
43 dom
.type
= LTTNG_DOMAIN_UST
;
45 strcpy(channel
.name
, "mychan");
46 channel
.attr
.overwrite
= 0;
47 channel
.attr
.subbuf_size
= 4096;
48 channel
.attr
.num_subbuf
= 4;
49 channel
.attr
.switch_timer_interval
= 0;
50 channel
.attr
.read_timer_interval
= 200;
51 channel
.attr
.output
= LTTNG_EVENT_MMAP
;
53 strcpy(ev1
.name
, "tp1");
54 ev1
.type
= LTTNG_EVENT_TRACEPOINT
;
56 strcpy(ev2
.name
, "ev2");
57 ev2
.type
= LTTNG_EVENT_TRACEPOINT
;
59 strcpy(ev3
.name
, "ev3");
60 ev3
.type
= LTTNG_EVENT_TRACEPOINT
;
62 printf("\nTesting tracing UST events:\n");
63 printf("-----------\n");
66 printf("Missing session trace path\n");
70 printf("Creating tracing session (%s): ", argv
[1]);
71 if ((ret
= lttng_create_session(session_name
, argv
[1])) < 0) {
72 printf("error creating the session : %s\n", lttng_strerror(ret
));
77 printf("Creating session handle: ");
78 if ((handle
= lttng_create_handle(session_name
, &dom
)) == NULL
) {
79 printf("error creating handle: %s\n", lttng_strerror(ret
));
84 printf("Enabling %s UST channel: ", channel
.name
);
85 if ((ret
= lttng_enable_channel(handle
, &channel
)) < 0) {
86 printf("error enable channel: %s\n", lttng_strerror(ret
));
91 printf("Enabling %s UST event: ", ev1
.name
);
92 if ((ret
= lttng_enable_event(handle
, &ev1
, channel
.name
)) < 0) {
93 printf("error enabling event: %s\n", lttng_strerror(ret
));
98 printf("Enabling %s UST event: ", ev2
.name
);
99 if ((ret
= lttng_enable_event(handle
, &ev2
, channel
.name
)) < 0) {
100 printf("error enabling event: %s\n", lttng_strerror(ret
));
105 printf("Enabling %s UST event: ", ev3
.name
);
106 if ((ret
= lttng_enable_event(handle
, &ev3
, channel
.name
)) < 0) {
107 printf("error enabling event: %s\n", lttng_strerror(ret
));
112 printf("Disabling %s UST event: ", ev1
.name
);
113 if ((ret
= lttng_disable_event(handle
, ev1
.name
, channel
.name
)) < 0) {
114 printf("error enabling event: %s\n", lttng_strerror(ret
));
119 printf("Disabling %s UST event: ", ev3
.name
);
120 if ((ret
= lttng_disable_event(handle
, ev3
.name
, channel
.name
)) < 0) {
121 printf("error enabling event: %s\n", lttng_strerror(ret
));
126 printf("Renabling %s UST event: ", ev1
.name
);
127 if ((ret
= lttng_enable_event(handle
, &ev1
, channel
.name
)) < 0) {
128 printf("error enabling event: %s\n", lttng_strerror(ret
));
133 printf("Renabling %s UST event: ", ev3
.name
);
134 if ((ret
= lttng_enable_event(handle
, &ev3
, channel
.name
)) < 0) {
135 printf("error enabling event: %s\n", lttng_strerror(ret
));
140 printf("Start tracing: ");
141 if ((ret
= lttng_start_tracing(session_name
)) < 0) {
142 printf("error starting tracing: %s\n", lttng_strerror(ret
));
149 printf("Stop tracing: ");
150 if ((ret
= lttng_stop_tracing(session_name
)) < 0) {
151 printf("error stopping tracing: %s\n", lttng_strerror(ret
));
156 printf("Destroy tracing session: ");
157 if ((ret
= lttng_destroy_session(session_name
)) < 0) {
158 printf("error destroying session: %s\n", lttng_strerror(ret
));
167 assert(handle
!= NULL
);
172 lttng_destroy_session(session_name
);
173 lttng_destroy_handle(handle
);
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